From patchwork Thu Oct 26 13:44:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 30971 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 819F91BAFF; Thu, 26 Oct 2017 15:45:03 +0200 (CEST) Received: from mail-pg0-f66.google.com (mail-pg0-f66.google.com [74.125.83.66]) by dpdk.org (Postfix) with ESMTP id 8A13D1BAFE for ; Thu, 26 Oct 2017 15:45:01 +0200 (CEST) Received: by mail-pg0-f66.google.com with SMTP id a192so2717299pge.9 for ; Thu, 26 Oct 2017 06:45:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=C6+34mvL0flxcxY1/FqerFhgJivNSU61G0rPpMSAWss=; b=OmYOvNcBGBD/BekH7b9Yg/bV5S+iIesJP8vmE8KOCk0e+GMHXXG60QwphL13n1W9OI MpRhSZ6SG3X1+pT8KlQcRaNaB3pH3gFU9w9qfhrHh5HU0CM1sGMshP4cH7l32D+3wwnk Vzy1U3hFQj7YIlvGMg+wbErwD16A/ztN21RCg/C2Zo/R36wYRAFqHmVECckB0fctu0Zb SG26y9KvrGZ3zNaQhVBJO9iMYYu07Y67k+9jfmVzrKD8IIyE39B8VzIKVdYSe6npOJVS PV09V+f+FA2s+1uT8amq+YUsZj6zWTcb8Psh3TSzTZkn9eUrEIb+c3VKe+absrCbx8Xa BG7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=C6+34mvL0flxcxY1/FqerFhgJivNSU61G0rPpMSAWss=; b=Bxv4cEhgIMNnu0l5+yS8L7fLEs4NveSbLKki220uEOMucTpasRarxHyrMhSg4/02Fg 1nTaoN2isgmHDQ0aXOZN/ow72/gLg5EY3qdiHBtCNIDLWXp0wcc/1xEF5/tJd5cCIWjF CK7zEHzdBVa9dD3A+d7gkgVMFoq7iCS/I5mGxVj9LDjRL6FJymfVhYM66yRZPrAGK5IA m8EJFvTNP92ugosGsrdNU3BJxdnb3NjWGseOMIkNiNVBm3tL60QkRZHaWgIt1L5VySKY YGkeLI0CqvV2J1tiuy5lauZWaM9NOBnxuoob/1aoKQpXjk7DusR9qI5OE6FaDtEtJG// FMbg== X-Gm-Message-State: AMCzsaUOlkRtn7GO/7E3XKWWHmQ0ELqkYCI2q8kZGxCqZLAIE/S75Jug pE71cpsH+5USMqDcVG+JSPfteg== X-Google-Smtp-Source: ABhQp+St+go6tSAUrquYUMo1U8gSyf9HFt1J9cl1kcC7boLVihDtEnA5Tyr1ON3DcQQiw0AxogeMVg== X-Received: by 10.98.93.12 with SMTP id r12mr5481852pfb.286.1509025500693; Thu, 26 Oct 2017 06:45:00 -0700 (PDT) Received: from local.opencloud.tech.localdomain ([13.94.31.177]) by smtp.gmail.com with ESMTPSA id w9sm10921172pfk.16.2017.10.26.06.44.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Oct 2017 06:45:00 -0700 (PDT) From: xiangxia.m.yue@gmail.com To: dev@dpdk.org Cc: Tonghao Zhang , Tonghao Zhang Date: Thu, 26 Oct 2017 06:44:42 -0700 Message-Id: <1509025484-15771-2-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1509025484-15771-1-git-send-email-xiangxia.m.yue@gmail.com> References: <1509025484-15771-1-git-send-email-xiangxia.m.yue@gmail.com> Subject: [dpdk-dev] [PATCH 2/4] net/ixgbevf: set the inter-interrupt interval for EITR. X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Tonghao Zhang Set EITR interval as default. This patch can improve the performance when we enable the rx-intrrupt to process the packets because we hope rx-intrrupt reduce CPU. Signed-off-by: Tonghao Zhang Signed-off-by: Tonghao Zhang --- drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 5994e55..6eb90e4 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -5801,6 +5801,9 @@ static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on) if (vector_idx < base + intr_handle->nb_efd - 1) vector_idx++; } + + IXGBE_WRITE_REG(hw, IXGBE_VTEITR(IXGBE_MISC_VEC_ID), + IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT & 0xFFF); } /**